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Analysis of Oversampling in Uplink Massive MIMO-OFDM with Low-Resolution ADCs
In particular, we demonstrate that oversampling can effectively improve the sum rate by mitigating the impact of the quantization distortion, especially at high SNR and with very low ADC resolution.
AI-Empowered Hybrid MIMO Beamforming
We discuss the architectural constraints and characterize the core challenges associated with hybrid beamforming optimization.
Switch-based Hybrid Beamforming Transceiver Design for Wideband Communications with Beam Squint
Simulations show that the proposed SW-HBF schemes are efficient and can outperform PS-based HBF architectures in terms of both SE and energy efficiency in terahertz communication systems.
Switch-based Hybrid Beamforming for Wideband Multi-carrier Communications
Switch-based hybrid beamforming (SW-HBF) architectures are promising for realizing massive multiple-input multiple-output (MIMO) communications systems because of their low cost and low power consumption.
Closed-Form Hybrid Beamforming Solution for Spectral Efficiency Upper Bound Maximization in mmWave MIMO-OFDM Systems
Hybrid beamforming is considered a key enabler to realize millimeter wave (mmWave) multiple-input multiple-output (MIMO) communications due to its capability of considerably reducing the number of costly and power-hungry radio frequency chains in the transceiver.
